Hot-air furnace



('No Model.) 2 Sheets-Sheet 2.

W. P. BREWIN. I

HOT AIR FURNACE.

No. 252,016. PatentedJamlO,1882.

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UNITED STATES PATENT OFFICE.

WILLIAM P. BREWIN, OF CAMDEN, NEW JERSEY.

HOT-Al R FURNACE.

SPECIFICATION forming part of Letters Patent No. 252,016, dated January 10, 1882.

Application filedApril16,1B8l. (No model.)

To all whom it may concern:

Be it known that I, WILLIAM P. BREWIN, a citizen of the United States, residing at Camden, in the county of G-amden and State of New Jersey, have invented certain new and useful Improvements in Hot-Air Furnaces; and I do.

hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to makeand usethe same, reference being had to the accompanying drawings, and to letters or figures of reference marked thereon, which form a part of this specification, and in which Figure l is a vertical section of my improved hot-air furnace. Fig, 2 is a similar view thereof at right angles to Fig. 1. Fig. 3 is a top plan view, and Fig. 4 is a horizontal section, of the same. 1

This invention relates to certain improvements in hot-air furnaces, having principally for its object to protect the deflector-bottom, to promote the supply-o1" hot air, to facilitate the cleaning of the drums, and to effect the removal of cliukers without disturbing the I wholemiass or body of tire; and'it consists in novel features otconstruction and combination and arrangement of parts, all as hereinafter more fully set forth.

Referring to the accompanying drawings, A is the base, upon which iscast the ash-pit- A, above which isarranged the tire-pot A. Upon the under side of the grate a is arranged the operating-lever b. I

O is the aperture through which to rake the fire and remove slate and clinkers.

O is a chute for feeding fuel into the furnace.

B is the deflector, suspended by pipe-elbows B within the upper part of the furnace, with their depending ends opening into the cool-air chamber B to receive the air therefrom and conduct it up and out the pipes ee into and around the drums D D and O and thus protect the bottom of the deflector and at the same inner one having the aperture fin its lower portion and resting upon the base A, being flanged outwardly, as at f, at its upper end, thus forming the bottom of the casing E. The outer wall, with an intervening space between it'and the inner one, stands below the upper edge of the latter to permit of the admission of cold air into the aforesaid space, after which it passes from thence through the apertures f finto the chamber-B and from thence through the pipes B of the deflector, and up through and out of the pipes e 6 around the drums D D and G Having thus fully described .my invention,

In a hot-air furnace, the combination, with the hollow deflector B, of the inlet elbow-pipes B B and outlet-pipes e 0, both opening into the cold-air chamber B, superposed drum O communicating with said deflector by pipes 0 c and the drums D D, communicating with drum 0 by pipe d, the several parts arranged relatively to each other substantially in the manner herein shown and described In testimony whereofI have signed my name in the presence of two witnesses.

VILLIAM P. BREWIN.

Witnesses:

G. B. ROBERTS, THOMAS D. MoWLDs.

Iclaim and desireto secure byLetters Patent- I 

